Over the hill Past his prime
If it weren't for Mark Felt, he would be totally out to pasture!
Cheney is an excellent choice borne of wisdom, class, and experience. Widely read and educated on foreign and domestic issues. Not a showboater but doggedly deliberate--he is perfect for the position.
But he may be unelectable to the post. He is simply overqualified and for that the American electorate would not forgive.